Anti_Human, pab TNF_alpha Source Goat polyclonal antibodies polyclonal antobodies can be directed against a recombinant proteine, the natural protein or an epitope. The epitope generated polyclonals are virtual monoclonals. You can request the immogen of Anti_Human, pab TNF_alpha Source Goat at lieven@gentaur.com http://mybiofast.com/ver.php?search=polyclonal&submit=Search